74158
正十九烷
analytical standard
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关于此项目
线性分子式:
CH3(CH2)17CH3
化学文摘社编号:
分子量:
268.52
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
1742892
产品名称
正十九烷, analytical standard
InChI
1S/C19H40/c1-3-5-7-9-11-13-15-17-19-18-16-14-12-10-8-6-4-2/h3-19H2,1-2H3
SMILES string
CCCCCCCCCCCCCCCCCCC
InChI key
LQERIDTXQFOHKA-UHFFFAOYSA-N
grade
analytical standard
vapor density
9.27 (vs air)
vapor pressure
1 mmHg ( 133.2 °C)
assay
≥99.5% (GC)
autoignition temp.
446 °F
shelf life
limited shelf life, expiry date on the label
technique(s)
HPLC: suitable
gas chromatography (GC): suitable
bp
330 °C (lit.)
mp
30-34 °C (lit.)
32-34 °C
density
0.786 g/mL at 25 °C (lit.)
application(s)
cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care
format
neat
Quality Level
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Application
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
Other Notes
Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
212.0 °F - closed cup
flash_point_c
100 °C - closed cup
ppe
Eyeshields, Gloves, type N95 (US)
Stefano Colazza et al.
Die Naturwissenschaften, 96(8), 975-981 (2009-05-21)
Chemical footprints left behind by true bugs are perceived as contact kairomones by scelionid egg parasitoids. Female wasps encountering a contaminated artificial substrate display a characteristic arrestment posture, holding the body motionless and antennating the surface. In the system Nezara
Daniela Lo Giudice et al.
Journal of chemical ecology, 37(6), 622-628 (2011-05-07)
Egg parasitoids are able to find their hosts by exploiting their chemical footprints as host location cues. In nature, the apolar epicuticular wax layer of plants that consists of several classes of hydrocarbons serves as the substrate that retains these
Stefano Colazza et al.
Journal of chemical ecology, 33(7), 1405-1420 (2007-05-18)
Contact kairomones from adult southern green stink bugs, Nezara viridula (L.) (Heteroptera: Pentatomidae) that elicit foraging behavior of the egg parasitoid Trissolcus basalis (Wollaston) were investigated in laboratory experiments. Chemical residues from tarsi and scutella of N. viridula induced foraging
Abdiwahab A Musse et al.
The Journal of biological chemistry, 281(2), 885-895 (2005-11-22)
Helix 1 of the membrane-associated closed state of the colicin E1 channel domain was studied by site-directed fluorescence labeling where bimane was covalently attached to a single cysteine residue in each mutant protein. A number of fluorescence properties of the
C Pidgeon et al.
Analytical biochemistry, 181(1), 28-32 (1989-08-15)
Quantitating the lipid content in organic lipid solutions and extracted membrane preparations is described. Fourier transform infrared analysis of thin films using perdeuterated nonadecane as an internal standard permitted quantitation with greater than 95% accuracy.
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